Combined sound-reproducer and lighting-fixture.



H. G. PAPE.

COMBINED SOUND HEPHODUCER AND LIGHTING FIXTURE.

APPLICATION FILED DEC. 17. 1914.

1,272,8 13. Patented Ju1y16,1918.

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H. G. PAPE.

COMBINED SOUND REPRODUCER AND LiGHTING FIXTURE.

APPLICATION HLE D DEC. 17. 19M.

Patented July 16, 1918.

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HERMAN G. PAPE, OF NEW YORK, N. Y.

COMBINED SOUND-REPRODUCER AND LIGHTING-FIXTURE.

Specification of Letters Patent.

Patented July 16, 1918.

Application filed December 17, 1914. Serial No. 877,802.

To all whom it may concern:

Be it known that I, HERMAN Gr. PAPE, a citizen of the United States, andresident of New York, in the county of New York and State of N ewYork,have invented a certain new and useful Combined Sound-Reproducer andLighting-Fixture, of which the following is a specification.

My invention relates particularly to compact stentoric or megaphonicapparatus combined with lighting and sound reproducing apparatus, andadapted for use in auditoriums, churches, theaters, railroad depots,offices, homes, sitting rooms and other situa tions in which soundreproducing and amplifying devices may be employed to enable anindividual, or individuals or an audience to hear operatic, or musicalreproductions, addresses or other sounds which may be electricallytransmitted to the reproducer from some other place.

In accordance with my invention the sound reproducers and amplifiers maybe combined with chandeliers or other lighting fixtures supported fromthe ceiling or walls, and the ceiling and the light reflectors may alsoserve as sound reflectors. The sound reproducers as well as the lightsmay be hi dden by certain reflectors from the view of the audience. Itwill thus be seen that the invention provides an arrangement whereby theneed of reflectors and other fixtures for the sound reproducers isdispensed with, the lighting fixtures in addition to their usualfunctions serving as supports and reflectors for the sound reproducers,and the ceiling, arch or dome structure of the room, auditorium, orcompartment, serves not only as a diffused lighting deflector, but alsoas a diffused sound deflector.

The invention further provides an improved sound amplifying deviceinwhich the sound by a multiple reflection and expansion is magnified toa state of distinct audibility and shot out either with great force, orgreatly increased in volume, or both, according to its spread or chokeconstruction. This device may also be used as a sound collector orconcentrator. It is very compact and pleasing in contour, adapting itfor use in compact and elaborate places.

Another feature of the invention is the provision of an improved form ofsound rcproducer in which the electromagnet comprises a cylindricalmagnet shell having a central core, a coil mountedon said core, a

washer surrounding the core and holding the coil in position and a screwof magnetic material threaded into the end of the core and serving thedouble function of holding the washer and coil in place and alsoincreasing the area of the pole face opposed to the diaphragm.

Other features and advantages will appear hereinafter. In theaccompanying drawings,l*igure l is a sectional elevation view of acombined lighting and sound reproducing apparatus constructed inaccordance with the principles of my invention. Fig. 2 is an elevationview of a modified construction, parts being broken away to show theapparatus. Fig. 3 is a sectional view on a larger scale of my soundmortar, or sound reproducing and amplifying device. Fig. a is anelevatron view of a modified form of chandelier or lighting fixturecomprising a group of lighting and sound reproducing elements.

In the combined lighting and sound rcproducing and amplifying apparatusshown in Fig. 1, electric lamps 1 are supported above a reflector 2suspended by means of rods 3 from a support 4 attached to the ceiling 5.The reflector 2 which may be made of any suitable material eitheropaque, or translucent, hides the lamps from the view of persons in theroom and screens them from the direct rays of light, the light beingreflected on the ceiling which may be in the. form of a concavereflecting surface 6 by which the light is reflected and diflusedthrough the room.

In combination with the lighting apparatus is a sound reproducing andamplifying device comprising an electrical sound reproducer '7 and asound amplifier 8. Referring particularly to Fig. 3, the soundreproducer '7 comprises an clectromagnet consisting of cylindricalshell. 9 of magnetic material having a central core 10 and magnet coil11 within the shell 9. The coil 11 is held in position within the magnetshell by a washer or disk 12 of non-magnetic material, said washersurrounding the core 10 and held in position by a screw 1.3 threadedinto the core 10. Said screw is made of magnetic material, and the headof the screw being of a greater diameter than the core 10 forms anenlarged pole face as well as holding the washer 12 and the magnet coilin position. The upper end of the magnet shell is threaded at 14 into acorrespondingly threaded opening in the casing 15. A diaphragm 16extending cross the lower face of the casing 15 is secured to the casingby means of a ring 17 which may have a screw threaded connection withthe casing.

The terminals 18, (Fig. l) of the magnet coil may be connected throughsuitable conductors to an ordinary telephone transmitter or otherinstrument for converting sound into electrical impulses which in thereproducer (Fig. 3) set up vibrations in the magnetic diaphragm 16 andreproduce the sounds in a well understood manner.

The volume of the sounds is greatly increased by the amplifier 8 towhich the magnet casing 15 is secured as by means of screws 19. Thesound waves are transmitted through a funnel 20 by means of which theyare expanded and then reflected on the concave surface 21 of an innerbell or deflector 22, the latter being secured as by means of a bracket2-3 within an outer shell 24s. The sound reflected on the concavesurface 21 is further expanded as it passes upward and strikes theconcave surface 25 of the outer bell 24 and is deflected downwardthrough the open'mouth of the bell, being further expanded in itsdownward passage through the bell 24:. The sound waves being expandedduring their passage through the funnel 20, the deflector 22, and thebell 24, the volume is greatly increased. The sound waves emerging fromthe bell 2%, Fig. 1, strike the upper surface of the reflector 2 and arereflected upward to the ceiling and then reflected and diffused throughthe room;

Fig. 2 shows a modified arrangement in which a reflector 26 is suspendedby means of a chain 27 from a support l. The sound reproducer andamplifier 8 are in this arrangement inverted as compared with Fig. lsothat the sound waves are projected upward therefrom and striking thereflector 26 are deflected downward through the room. An inverted bellor reflector 28 may form a support for the sound'reproducing means aswell as for electric or other lights contained therein. The reflector 26serves to deflect thelight as well as the sound wves.

Fig. 4 shows a chandelier or lighting turecomprising a base 30 fromwhich are suspended by means of chains 31 a group of bells or reflectors32 which may contain incandescent or other lamps. The bells 32 mayalternate with sound reproducers 7 also suspended from the base 30 andwhich may beat a somewhat higher level than the lighting element 32 toassist diffusion of the sounds, avoid crowding and to produce a moreconvenient and artistic arrangement. It will be noted that with thearrangement shown'in this view the sound may be thrown directly downwardthrough the room from the amplifiers 8. Electric lamps may, if desiredbe placed directly within the amplifiers 8.

Various other modifications than those herein disclosed may be resortedto within the scope of the invention, and parts of the invention may beused without others.

What l'claim is z- 1. The combination of a reflector, means to support alight in position to be reflected thereby, a sound reproducer comprisinga diaphragm supported adjacent said reflector, electro responsive meansto vibrate the diaphragm, and a sound amplifying bell having an openmouth facing the reflector, the latter a ranged with its reflectingsurface extending across said open mouth, so that the sounds from thereproducer are'direoted from said mouth against the reflector.

2. The combination of a reflector, means to support a light in positionto be reflected thereby, a sound reproducer comprising a diaphragmsupported adjacent said reflector, electro-responsive means to vibratethe diaphragm, a sound amplifying bell interposed between the diaphragmand said reflector and having an open mouth facing the reflector, andmeans within said bell to increase the volume of the sound by a seriesof'expansions and reflections, the sound being directed through the openmouth of'the bell directly against said reflector.

3. The combination of a chandelier comprising means for supportinglights thereon, a reflector for said lights, a sound producing andamplifying apparatus carried on the chandelier; said apparatuscomprising a sound reproducing membrane,a casing inclosing saidmembrane, and a sound amplifying device comprising means for increasingthe volume-of the sound and directing it against the reflector, thelatter arranged with its reflecting surface extending across the mouthof the amplifying device.

Al. A combined lighting and sound reproducin apparatus comprising alight reflec tor, means to suspend said reflector from a ceiling, a lampand a sound reproducer supported above said reflector, said reproduce-rhaving an electro-responsive diaphragm, and means to vibrate saiddiaphragm, an open mouthed sound directing device by which sounds fromthe diaphragm are directed against the reflector, said reflectorextending across said open mouth and arranged to reflect light and soundfrom said lamp and reproducer.

5. The combination with a reflector, of an electric sound reproducingdevice, a sound amplifier arranged to receive and amplify the soundsfrom said device, said amplifier positioned and arranged to direct thesounds on to the reflector, the latter arranged with its reflectingsurface extending across the mouth of the amplifier, and a lamp adjacentto said reflector in position for the light therefrom to be directedagainst said reflector.

6. The combination of an electro-rcsponsive sound reproducing device, asound amplifying device arranged to receive and amplify the sounds andformed with an open end or mouth through which the sounds are ejected, areflector, means to suspend said reflector from a ceiling, and means tosupportsaid amplifying device above the reflector with said open endadjacent to and facing the reflector in position for the sound waves tobe thrown against the reflector, the latter extending across the openend of the amplifying device and spaced therefrom.

7. The combination of an electro-responsive sound reproducing device, asound amplifying device arranged to receive and amplify the sounds andformed with an open end or mouth through which the sounds are ejecteddownwardly, a reflector beneath, means to suspend said reflector from aceiling, and means to support said amplifying device above the reflectorwith said open end adjacent to and facing the reflector in position forthe sound waves to be thrown down wardly against the reflector, thelatter extending transversely across the path of the sound waves, and alamp supported above the tranverse reflector in position for the lightto be thrown on the reflector, said amplifying device and lamppositioned to be hidden from the view of persons, beneath the reflector.f

8. The combination of an electro-responsive sound reproducing device, asound amplifying device arranged to receive and amplify the sounds andformed with an open end or mouth through which the sounds are ejected, areflector, means to support said reflector adjacent to and facing a wallor ceiling, means to support said amplifying device between thereflector and said Wall or ceiling with said open end facing thereflector in position for the sounds to be thrown against the reflector.

9. In a sound reproducing and amplifying mechanism, the combination of asound reproducing diaphragm, an amplifying bell open at one end for theejection of sound waves, the opposite end of the bell having a reentrantwall leading to a restricted central opening and forming a chamberflaring outwardly from said opening toward the diaphragm, means forsupporting said diaphragm opposite said chamber in position for thesound waves produced thereby to be directed through said chamber andopening, and means Within the bell for expanding, reflecting anddirecting the sound waves through said open mouth of the bell.

10. The combination with aceiling, of an electro-responsive soundreproducing device, a sound amplifying device therefor, a lamp, meanswhereby said devices and said lamp are supported from said ceiling, areflector, said lamp and amplifying device positioned to direct thelight and sound waves therefrom against the reflector, said reflectorarranged to throw the light and sound waves against the ceiling, thelatter serving to refleet and diffuse the light and sound.

11. The combination with a ceiling, of an electro-responsive soundreproducing device, a sound amplifying device therefor, a lamp, meanswhereby said devices and said lamp are supported from said ceiling, andadjacent thereto, and means to direct the light and sound waves againstthe ceiling so that the latter serves as means for the amplification ordiffusion of the sounds ejected from the amplifier and the light fromsaid lamp.

12. The combination with an arched or dome-shaped ceilin of anelectro-responsive sound reproducing device, a sound amplifying devicetherefor, a lamp, means whereby said devices and said lamp are supportedfrom said ceiling, and adjacent thereto, and means to direct the lightand sound waves against the ceiling so that the latter serves as meansfor the amplification or diffusion of the sounds ejected from theamplifier and the light from said lamp.

13. The combination of an electro-responsive sound reproducing device, asound amplifying device, means for supporting said devices from aceiling, means forming a concave reflecting surface arranged above theamplifying device and facing downward, the sounds from the amplifyingdevice being directed against said reflecting surface.

14. The combination of an electro-respom sive sound reproducing device,a sound amplifying device, means for supporting said devices from aceiling, means forming a concave reflecting surface arranged above theamplifying device and facing clownward, means providing a concavereflecting surface beneath the amplifier, the latter having an openmouth facing said last named surface, through which mouth the sounds aredirected against said upwardly facing reflector, and reflected upwardagainst the downwardly facing reflecting surface.

Signed at New York, in the county of New York and State of New York,this 11th day of Dec, A. D. 1914.

HERMAN G. PAPE.

Witnesses IDA B. PAPE, IDA D. PAPE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, I). 0.

